There is a good guide on everything lapping machine related on https://www.lapmaster-wolters.com/accessories/
Manufacturers
Assembled Lapping Machines:
- [Xiamen Lith Machine Limited] (https://lith.en.alibaba.com/index.html?spm=a2700.details.0.0.1f4a54a1QoH4Zh&from=detail&productId=11000025295338)…
Otherwise there is also https://www.hisemitechnology.com/lapping-polishing-machine/precision-lapping-and-polishing-machine.html which has some nice high-quality images.
There has been one attempt at building a lapping machine from a old hard drive. The old motor was replaced with a gear motor in order to spin the platter at around 5 rpm. [Here](https://hackaday.co…
I just went on ebay and bought a decent fluid head and tripod. Load capacity of the tripod is 15 kg, the fluid head weighs 4.6 kg and supports top weight loads of about 6.8kg. The counter weight…
Turns out that shotgun mics are not really meant for indoor use. As rahix said, the quality of the built-in microphone is acceptable for now. @jana how is the quality of the conference system? I…
Cannot really verify the labels, but network topology and relay board wiring looks good to me.